योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-37

यत्र ग्रस्ता तदासाद्य पदं भूयो न शोच्यते ।
प्राणार्कस्य तथान्तस्था यत्रापानसितांशुना ॥ ३७ ॥

yatra grastā tadāsādya padaṃ bhūyo na śocyate ,
prāṇārkasya tathāntasthā yatrāpānasitāṃśunā 37

37. yatra grastā tad āsādya padam bhūyaḥ na śocyate
prāṇārkasya tathā antasthā yatra apānasiṃtāṃśunā

37. yatra grastā tad padam āsādya bhūyaḥ na śocyate
tathā yatra prāṇārkasya antasthā apānasiṃtāṃśunā

37. Where (this subtle digit) is absorbed, having attained that state, one does not grieve again. Similarly, where that which resides within the sun of (prāṇa) vital energy (prāṇārka) is absorbed by the moon of (apāna) vital energy (apānasiṃtāṃśu).

Words meanings summery:

• यत्र (yatra) - where, when (where, in which, in which case)

• ग्रस्ता (grastā) - absorbed, engulfed (devoured, seized, swallowed, eclipsed (feminine nominative singular))

• तद् (tad) - that (state) (that (neuter nominative/accusative singular))

• आसाद्य (āsādya) - having attained (having reached, having attained, having approached)

• पदम् (padam) - state, supreme state (step, foot, place, state, position, word)

• भूयः (bhūyaḥ) - again (again, further, more)

• न (na) - not (not, no)

• शोच्यते (śocyate) - experiences sorrow, grieves (is grieved, is lamented, is pitied)

• प्राणार्कस्य (prāṇārkasya) - of the sun-like upward vital air (prāṇa) (of the sun of prāṇa)

• तथा (tathā) - similarly (thus, so, similarly, in that manner)

• अन्तस्था (antasthā) - that which resides within (an implied kalā) (situated within, internal, inner (feminine nominative singular))

• यत्र (yatra) - where, when (where, in which, in which case)

• अपानसिंतांशुना (apānasiṁtāṁśunā) - by the moon-like downward vital air (apāna) (by the moon of apāna (white-rayed moon of apāna))

Words meanings and morphology

यत्र (yatra) - where, when (where, in which, in which case)

(indeclinable)

Locative case from pronoun ya

ग्रस्ता (grastā) - absorbed, engulfed (devoured, seized, swallowed, eclipsed (feminine nominative singular))

(adjective)

Nominative, feminine, singular of grasta

grasta - devoured, seized, swallowed, eclipsed

Past Passive Participle

From root gras (1st class) with suffix -ta

Root: gras (class 1)

Note: Qualifies an implied kalā

तद् (tad) - that (state) (that (neuter nominative/accusative singular))

(pronoun)

Accusative, neuter, singular of tad

tad - that, this

Note: Refers to 'padam'

आसाद्य (āsādya) - having attained (having reached, having attained, having approached)

(indeclinable)

Absolutive (Gerund)

From root sad (1st class) with prefix ā and suffix -ya (l-yap)

Prefix: ā

Root: sad (class 1)

पदम् (padam) - state, supreme state (step, foot, place, state, position, word)

(noun)

Accusative, neuter, singular of pada

pada - step, foot, place, state, supreme state, word

Root: pad (class 4)

Note: Object of āsādya

भूयः (bhūyaḥ) - again (again, further, more)

(indeclinable)

Comparative form of bahu, used adverbially

न (na) - not (not, no)

(indeclinable)

शोच्यते (śocyate) - experiences sorrow, grieves (is grieved, is lamented, is pitied)

(verb)

3rd person , singular, passive, present (lat) of śuc

Passive voice, Present Tense

From root śuc (1st class) with passive suffix -ya and Ātmanepada ending

Root: śuc (class 1)

Note: Implied subject is 'one' (narah from next verse, or a general being)

प्राणार्कस्य (prāṇārkasya) - of the sun-like upward vital air (prāṇa) (of the sun of prāṇa)

(noun)

Genitive, masculine, singular of prāṇārka

prāṇārka - the sun of prāṇa

Compound type : ṣaṣṭhī-tatpuruṣa (prāṇa+arka)

• prāṇa – upward-moving vital air, life-breath, vital energy (prāṇa)
  noun (masculine)
  From root an with prefix pra
  Prefix: pra
  Root: an (class 2)
• arka – sun, ray, praise, hymn
  noun (masculine)
  From root arc
  Root: arc (class 1)

Note: Possessive case

तथा (tathā) - similarly (thus, so, similarly, in that manner)

(indeclinable)

अन्तस्था (antasthā) - that which resides within (an implied kalā) (situated within, internal, inner (feminine nominative singular))

(adjective)

Nominative, feminine, singular of antastha

antastha - situated within, internal

Compound of antar (within) and stha (standing)

Compound type : upapada-tatpuruṣa (antar+stha)

• antar – within, between, inside
  indeclinable
• stha – standing, staying, situated
  adjective (masculine)
  kṛt suffix
  From root sthā with suffix -a
  Root: sthā (class 1)

Note: Qualifies an implied kalā

यत्र (yatra) - where, when (where, in which, in which case)

(indeclinable)

Locative case from pronoun ya

अपानसिंतांशुना (apānasiṁtāṁśunā) - by the moon-like downward vital air (apāna) (by the moon of apāna (white-rayed moon of apāna))

(noun)

Instrumental, masculine, singular of apānasiṃtāṃśu

apānasiṁtāṁśu - the white-rayed moon of apāna

Compound type : ṣaṣṭhī-tatpuruṣa (apāna+sitāṃśu)

• apāna – downward-moving vital air, one of the five prāṇas
  noun (masculine)
  From root an with prefix apā
  Prefix: apā
  Root: an (class 2)
• sitāṃśu – moon (literally, having white rays)
  noun (masculine)
  Compound of sita (white) and aṃśu (ray)

Note: Agent of absorption